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Knowing that less is more, the style-savvy star kept covered up on top in a black polo neck sweater.

She left her platinum blonde hair loose around her shoulders and carried a small clutch bag.

Speaking about Strictly, Pixie told Closer magazine: 'This is the most exercise I've done in ages. It means I'm keeping off the weight and staying in shape.

'I don't think I've lost any weight but it means I can eat whatever I want.'

Dressed to impress: Pixie's Spanish style skirt showed off her figure and her long legs

Keeping it simple: Knowing that less is more, the style-savvy star kept covered up on top in a black polo neck sweater

Speaking to the Daily Mail's Weekend magazine she added: 'I don't think I appreciated how many people watch Strictly. It's changed everything. Before I was only recognised by my fans, and my fan base was quite narrow. Now I get little old ladies coming up to me. It's incredible.'

And Pixie's daring outfit on Monday, seemed to reflect her recent revelation that she is getting more risque as she gets older.

Speaking about her songs, she said: 'The stories I tell are obviously going to get a bit more raunchy as I get older.'

Blonde beauty: Pixie left her hair in loose curls around her shoulders

Sisterly love: Pixie brought her sister Charlie-Ann Lott with her to the event

Meanwhile, there was no sign of Pixie's boyfriend, model Oliver Cheshire, at the bash, although Pixie recently told Marie Claire she wants two weddings with him.

She said she's dreaming of a 'massive' wedding with her beau - as well as a small ceremony abroad to go alongside it.

The star met Marks & Spencer model Oliver at a catwalk show in 2010 and over four years on, the pair have proven to be a match made in fashion heaven; signing to the same agency Select Model Management in 2011.

Blonde beauties: Pixie caught up with Donna Air, who enjoyed a day out while her boyfriend James Middleton is vacationing in the Caribbean with his family

Dressed to impress: Donna looked chic in a maroon dress with dark tights

Here come the girls: Donna hung out with TV presenters Amanda Byram and Melanie Sykes at the event

Easy does it: The singer narrowly avoided a wardrobe malfunction as she later left the building in her thigh-split skirt

Wise: She held a clutch bag and a white rose in place, to make sure she didn't flash too much leg

Off she goes: She effortlessly glided back into her waiting car as her evening came to a close

Asked whether she hopes to wed her chiselled beau, she launched straight into plans for the nuptials, gushing to the magazine: 'It probably will be massive.

'I love small weddings in a different country, but I love massive ones in England, so maybe I'll have two.

Hopefully two weddings, not two different marriages!' she continued, correcting herself. ''But I'm not thinking of getting married yet because I'm still so young.'

Total opposites: Melanie dressed for winter in dark tights and a long sleeved dress while Amanda was summery in white

There she goes: Melanie appeared to be in high spirits as she left the venue later on that day

Leggy lady: The television presenter appeared to feel the cold as she stepped outside wearing a mini skirt with tights - and no coat!

What winter chill? Amanda opted for a summery white outfit and bare legs

The twosome are still content living together in East London and it appears that it's their shared passion for fashion and strong career drive that unites them.

On their living situation, Pixie said: 'There are clothes everywhere. It's definitely one of our shared interests - we talk about new trends and stuff! He went into the industry aged 15, so really young like me.'

Oliver has echoed the blonde beauty's sentiments, saying that 'of course' he wanted to marry her and that he'd like 'three or four kids' with her in the future.

Meanwhile, Pixie wasn't the only star at the food event on Monday.

She was joined by stars including Amanda Byram, Amy Willerton, Melanie Sykes and Donna Air.

Hollywood dreaming: Amy Willerton looked relaxed after a recent trip to the Sundance Film Festival and Hollywood

Model looks: The former I’m A Celebrity…Get Me Out Of Here contestant showed off her natural beauty with subtle make-up while she styled her hair into loose curls

Checking it out: Meera Syal showed up to taste some of the treats on offer